kern/77805: Boot hangs with ACPI enabled

[Ron Johnson]

>Number:         77805
>Category:       kern
>Synopsis:       Boot hangs with ACPI enabled
>Confidential:   no
>Severity:       critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Feb 20 20:30:24 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Ron Johnson
>Release:        5.3-STABLE
>Organization:
None
>Environment:
FreeBSD X.Y.Z.comcast.net 5.3-STABLE FreeBSD 5.3-STABLE #0: Sun Feb 20 11:53:08 EST 2005     root at X.Y.Z.comcast.net:/usr/obj/usr/src/sys/GENERIC  i386
a
>Description:
With ACPI enabled, boot fails at "hw.acpi.cpu.cx_lowest: C1 -> C3". This statement is not in sysctl.conf or loader.conf and appears to be changed automatically. No issue in all previous 5.X versions. 5.3-STABLE downloaded from CVS on 2/19/2005 around 3pm EST. 

Computer is a Compaq Armada 110 (Laptop).

>How-To-Repeat:
Boot computer
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: